Martin Erwig

Shadowing should not be prohibited by the compiler

2

**Quick Summary:** The following example is rejected by the Elm compiler (0.19.1): `let x=1 in x+let x=2 in x` The REPL says "These variables cannot have the same name". I...

Could not load module ‘Data.Array’

4

Loading a file generated with Alex (version 3.5.4.0) into ghci (version 9.6.7, which is the currently recommended version by ghcup), produces the following error message: ``` IdNum.hs:9:1: error: Could not...